Update TransitioningContentControl.xaml

src/Shared/HandyControl_Shared/Themes/Styles/TransitioningContentControl.xaml

@@ -1,5 +1,6 @@
 <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+                    xmlns:controls="clr-namespace:HandyControl.Controls">
 
     <Storyboard x:Key="Right2LeftTransition" x:Shared="False">
         <DoubleAnimation From="50" To="0" Duration="0:0:0.4" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[3].(TranslateTransform.X)">
@@ -73,4 +74,8 @@
         <DoubleAnimation From="0" To="1" Duration="0:0:0.4" Storyboard.TargetProperty="(UIElement.Opacity)"/>
     </Storyboard>
 
+    <Style TargetType="controls:TransitioningContentControl">
+        <Setter Property="Focusable" Value="False"/>
+    </Style>
+
 </ResourceDictionary>